Allan watts videos are inspirational. His philosophy is quite enlightening. So is this subject. Letting go, giving away, patience and non possession are things that help us live a happy life.
The changes of emotions of humans are so rapid. Today the lovers tomorrow the enemies are how this world is now. This is all because of our selfish desires. The day you can, and are ready to give up all those you are too much attracted and is attached to will be the days you find true freedom of life.
That day we can even love people we once considered enemies.